Easy Tutorial
For Competitive Exams
☰
Aptitude
TNPSC G4
10th CBSE Maths
Aptitude
Quantitative Aptitude
33 Lessons
Aptitude - All
166 Tests
185 Lessons
9 Videos
Shortcuts
23 Lessons
Exams
TNPSC G4
400 Tests
200 Lessons
160 Videos
10th CBSE Maths
20 Videos
AMCAT
13 Tests
9 Videos
Placement Papers
31 Tests
3 Videos
All Exams
1633 Tests
1165 Lessons
872 Videos
More ..
Puzzles
118 Lessons
GK English
41 Tests
2 Lessons
Test Series - All Exams
437 Tests
5 Videos
Home
GK English
Inventions Prepare Q&A
Q:26
What Enrico Fermi invented?
X ray machine
Betatron
Cyclotron
Nuclear reactor
Check Answer
Next Question
Which of the following was first patented by an Australian in 1889?
Check Answer
Important Links
Popular Videos
More Videos
EasyTutorial Youtube Channel
Share with Friends
